| 1 | CPB | Corpac Canada Ltd. | Callsign: Penta, Ceased Operations on 18 June 2009. | CDN | AVCODES |
| 2 | CPB | Corpac Canada | | | ICAO1 |
| 3 | CPB | Companhia Paulista de Estradas de Ferro / S?o Paulo Railway Company | Real: CP | BR | TRAFFIC |
| 4 | CPBA | CAPABLE TRANSPORT INC | | | SCAC4 |
| 5 | CPBB | CAPITOL BUS CO | | | SCAC3 |
| 6 | CPBB | CARDINAL SHIPPING LLC | | | SCAC4 |
| 7 | CPBC | CAMPBELL OIL COMPANY | | | SCAC4 |
| 8 | CPBE | CAMPBELL FREIGHT INC | | | SCAC4 |
| 9 | CPBG | CORP TRANSPORTATION BROKERAGE | | | SCAC3 |
| 10 | CPBG | CONE TRANSPORTATION | | | SCAC4 |
| 11 | CPBH | CAMPER BROTHERS TRUCKING | | | SCAC3 |
| 12 | CPBI | CRANE PLUMBING INC | | | SCAC3 |
| 13 | CPBJ | CHAMPION BUS CO INC | | | SCAC3 |
| 14 | CPBJ | CAMPBELL, GERRY TRUCKING | | | SCAC4 |
| 15 | CPBK | CP BULK SHIPS | | | SCAC3 |
| 16 | CPBN | CORSO, P BANANA TRANSPORT | | | SCAC3 |
| 17 | CPBO | CAMPBELL BROS MOVING & STORAGE CO | | | SCAC3 |
| 18 | CPBP | COLOPINTO BUS CO | | | SCAC3 |
| 19 | CPBQ | CAMPBELL TRANSPORTATION | | | SCAC3 |
| 20 | CPBR | CRUMP BROS TRUCKING INC | | | SCAC3 |
| 21 | CPBS | CAMPBELL, S B INC | | | SCAC3 |
| 22 | CPBS | CAMERO TRANSPORT INC | | | SCAC4 |
| 23 | CPBT | CAMPBELL TRUCKING | | | SCAC3 |
| 24 | CPBU | CANONS PARK EQUIPMENT CO LTD | | HK | BIC |
| 25 | CPBU | SOO LINE RAILROAD | | | PWRC |
| 26 | CPBU | Soo Line (Canadian Pacific Railway) | | | RSRV |
| 27 | CPBU | CP RAIL INTERMODAL FREIGHT SYSTEM | | | SCAC3 |
| 28 | CPBU | CP RAIL INTERMODAL FREIGHT SYSTEM | | | SCAC4 |
| 29 | CPBW | CANADIAN PACIFIC (BERMUDA) LIMITED | | | SCAC3 |
| 30 | CPBX | Cattle Car Leasing Co. | added 4/1968 | | NAKINA |
| 31 | CPBX | Cattle Car Leasing Co. | added 4/68 | | NRHS |
| 32 | CPBX | CATTLE CAR LEASING CO. | | | PWRC |
| 33 | CPBY | CAMPBELL OIL CO | | | SCAC4 |
| 34 | CPBZ | SOO LINE RAILROAD | | | PWRC |
| 35 | CPBZ | Soo Line (Canadian Pacific Railway) | | | RSRV |
| 36 | CPBZ | SOO LINE RAILROAD | | | SCAC4 |
